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function y() {
	var x = "my_very_long_string";
	fct(x);
	fct(x);
	fct(x);
	fct(x);
	fct(x);
};

/* ... will be minified as: */

function y(){fct("my_very_long_string");fct("my_very_long_string");fct("my_very_long_string");fct("my_very_long_string");fct("my_very_long_string")};

/* Why not like this? */

function y(){var x="my_very_long_string";fct(x);fct(x);fct(x);fct(x);fct(x)}};